SEMR — SEMrush Holdings Inc

Ownership history in Siren, L.L.C.  ·  4 quarters on record

This page tracks every 13F SEC filing in which Siren, L.L.C. reported a position in SEMrush Holdings Inc (SEMR). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.07% (2025 Q1)
Avg. % of fund
0.04%
First filed
2024 Q4
Last filed
2025 Q3
Quarters held
4
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 UNCHANGED 125,000 — 0% 0.03% $885K $7.08
2025 Q2 UNCHANGED 125,000 — 0% 0.06% $1.1M $9.05
2025 Q1 ADDED 125,000 +90,000 +257.1% 0.07% $1.2M $9.33
2024 Q4 INITIATED 35,000 — — 0.02% $416K $11.88
% of Fund (quarterly)    SEMR price (monthly, adj. close)

Other funds also holding SEMR

As of 2025 Q4 — sorted by position size

RPM Capital Partners, LLC 3Y 7Y 93.64% Greycroft LP 3Y 67.7% NEXPOINT ASSET MANAGEMENT, L.P. 3Y 2.88% S Squared Technology, LLC 3Y 7Y 2.53% HARVEST MANAGEMENT LLC 3Y 7Y 0.95% WATER ISLAND CAPITAL LLC 3Y 7Y 0.81% ALPINE ASSOCIATES MANAGEMENT INC. 3Y 7Y 0.7% NUANCE INVESTMENTS, LLC 3Y 7Y 0.55% Slotnik Capital, LLC 0.46% AQR Arbitrage LLC 3Y 7Y 0.38%
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